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liubo4ka [24]
3 years ago
8

I need help please help with this question I will give brainliest this is a major grade so no joking around please

Mathematics
1 answer:
Kazeer [188]3 years ago
3 0

Answer:

A

Step-by-step explanation:

The transformation that describes reflection over the x-axis is (x,-y)

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Help please!! I’ll mark you brainliest if you get it right!!!
Nuetrik [128]
8x^2 + 9 - 6x^2 - 2x - 2
= 2x^2 - 2x + 7

answer is B
2x^2 - 2x + 7
3 0
3 years ago
Read 2 more answers
There were 35,000 hardback copies of a certain novel sold before the paperback version was issued. From the time the first paper
bija089 [108]

Answer:

3,717,000

Step-by-step explanation:

The calculation of paperback copies is shown below:-

Let us assume hardback copies is x, so paperback copies will be 9x

now the equation is

35,000 + x + 9x = 448,000

10x = 448,000 - 35,000

10x = 413,000

= \frac{413,000}{10}

= 41,300

Therefore, the paperback copies are

=  9\times 41,300

= 3,717,000

Hence, the paperback copies is 3,717,000

4 0
3 years ago
In circle O, BC=14 and DC=25. What is the length of diameter BA? -58.6 -12.2 -44.6 -30.6
Savatey [412]
The picture in the attached figure

we know that
If a tangent segment and a secant segment are drawn to a <span>circle </span><span>from an exterior point, then the square of the measure of the tangent segment is equal to the product of the measures of the secant segment and its external secant segment
</span>so
DC²=BC*CA-----> CA=DC²/BC
DC=25
BC=14
CA=25²/14-----> CA=44.64
CA=BC+BA----> BA=CA-BC----> BA=44.64-14----> BA=30.64

BA is the diameter
hence
<span>the length of diameter BA is 30.64----> round to the nearest tenth---> 30.6
</span>
the answer is
<span>the length of diameter BA is 30.6</span>


7 0
3 years ago
Sorry for the computer quality lol but can someone please help ?
xenn [34]

Answer:

a=(-1,0) b=(0,3) c=(-2,2)

Step-by-step explanation:

7 0
3 years ago
Eric found that about 62% of 80 classmates at school like pop music. However, 70% of his 60 relatives like pop. About how many c
kirill [66]

Answer:

50 classmates

Step-by-step explanation:

80 x 0,62 = 49,6

49,6 ≈ 50

4 0
3 years ago
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